00474nam a2200181Ia 4500003000400000005001700004008004100021020001500062040000700077041000800084082001600092100002000108245005700128260005200185300001500237365001300252650002700265OSt20230427165339.0210423s2002    xx            000 0 und d  a8177641840  cAL  aeng  a363.73 ANJY  aANJANEYULU (Y).  aText book of air pollution and control technologies.  aNew DelhibAffiliated East West Press Ltdc2002  axi,559bPB  b285cINR  aEnvironmental Problems